Resend · Step 1 of 1
Resend — Transactional Email Done Right
Stop guessing why your emails land in spam — learn SPF, DKIM, DMARC, and Resend to actually reach the inbox.
What you’ll walk away with
- Explain why transactional email is a different problem than marketing email and where Resend fits
- Set up domain authentication with SPF, DKIM, and DMARC so your emails aren't flagged as spam
- Send transactional emails through Resend and handle delivery events with webhooks
- Build email templates using React Email instead of hand-coded HTML
- Ship a complete, working transactional email flow end to end
Questions people ask before they start
Do I need prior email infrastructure experience?
No. The course starts from what Resend is and why transactional email is its own problem, then builds up to domain authentication and a full sending flow.
Will this teach me DNS concepts like SPF, DKIM, and DMARC in depth?
Yes — there's a dedicated lesson on domain authentication covering SPF, DKIM, and DMARC specifically so your emails pass deliverability checks.
Does the course cover building actual email templates, or just the sending API?
Both. One lesson covers sending email and webhooks, and using React Email templates, so you learn the full pipeline from template to delivery.
Is there a real project I build, or is it all theory?
The final lesson is hands-on: you build a complete transactional email flow using everything from the earlier lessons.
Is this course specific to Resend, or does it cover email services generally?
It's focused specifically on Resend as the sending platform, paired with the underlying authentication concepts (SPF/DKIM/DMARC) that apply to deliverability generally.
Why is this course on a cybersecurity-focused platform?
Domain authentication (SPF/DKIM/DMARC) is fundamentally about proving your emails are legitimate and preventing spoofing, which is why Securafy treats it as part of building software safely.